/**
 * 
 */
package co.fitstart.mobile.service;

import co.fitstart.entity.user.User;

/**
 * @author Guangli Yan
 *
 */
public interface CreditTradingService {

	/**
	 * @param userAddressId
	 * @param creditProdcutionId
	 * @param amount
	 * @param user 
	 */
	Integer doExchange(Long userAddressId, Long creditProdcutionId, Integer amount, User user);

}
